Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"optical transmittance"”.
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Effects of Ionizing Radiation and Thermal Treatment on the Optical Transmittance of Polycrystal CsI
Made available in DSpace on 2017-07-06T18:55:55Z (GMT). No. of bitstreams: 3 Procoli_Alfredo_MS.pdf: 53494592 bytes, checksum: 51ba486fae18e6069c981234e27f2453 (MD5) Procoli_Alfredo_MS_ABS.pdf: 1014084 bytes, checksum: fe782389c66fbc39dd079c9fe74b9640 (MD5) license.txt: 4813 bytes, checksum: …
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TEMPO-oxidized Nanocelluloses: Surface Modification and use as Additives in Cellulosic Nanocomposites
… of 5 vol % produced negligible changes to the optical transmittance behavior and a 22-fold increase in tensile storage modulus in the glass transition region of CAB. In contrast, hydrophobized TONc and MFC deteriorated the optical transmittance of CAB by ca 20% and increased its tensile storage …
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Windshield Defrost and Deice Using Carbon Nanotube Composite
… the number of coated layers, the effects of optical transmittance and heating rates are observed. Results show that a room temperature specimen reaches 60 °C within 80 seconds, reproducing the same results over time. This technique can be used to develop a transparent conductive film heater, …
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Structural, electrical and optical properties of transparent conducting Si-doped ZnO thin films grown by pulsed laser deposition
… and the number of pulses were varied to maximise optical transmittance and minimise resistivity. The optimum deposition circumstances yielded a film of resistivity of 4.12×10-4 Ωcm and a transmittance of 89%.
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Carbon nanostructures/tin (IV) oxide systems and transparent electrode application
… was used to calculate a figure of merit, DC to optical conductivity ratio, from optical transmittance and sheet resistance. Among the metal alkoxides tested, tin isopropoxide was demonstrated to be the best dopant for carbon nanostructures, and carbon nanotube film and tin (IV) oxide system was …
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Structure and properties of transparent conductive ZnO films grown by pulsed laser deposition (PLD)
… its potential applications including nonlinear optical devices, blue‐violet emission device, buffer layer for GaN‐based devices, visible‐range transparent electrodes for solar cell and flat panel displays, surface acoustic wave devices, piezoelectric and piezooptic devices, gas sensors for …
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Expanding ultrafast photoacoustics for investigation of mechanical properties and thermal transport
… wave detection methods included monitoring of optical transmittance/ reflectance, polarization, and diffraction over time. A magnetostrictive material galfenol (Fe₁₋[subscript x] Ga[subscript x]) with 80 percent iron and 20 percent gallium was used as an acoustic transducer using …
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Optimization of gadolinium-doped zinc oxide films for diluted magnetic semiconductor and its effects on organic solar cell performance
… % Gd contents. The structural, surface topology, optical, electrical and magnetic properties of the film were studied in detail. Structural studies revealed that the film had a hexagonal wurtzite structure. Surface topologies showed that the film had a smooth and uniform surface. In addition, the …
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Electronic properties of topological semimetal candidates ACd$_2$Pn$_2$ (A = Eu, Sr; Pn = As, Sb)
… and SrCd$_2$Pn$_2$ (Pn = As, Sb). transport and optical transmittance study of EuCd$_2$Pn$_2$ and SrCd$_2$Pn$_2$. EuCd$_2$Sb$_2$ is the sister compound of EuCd$_2$As$_2$ with identical crystal structure and antiferromagnetic ground state. It was predicted that in the field-induced FM phase, …
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Sputter deposition and characterization of metal sandwiched indium tin oxide/silicon for solar cell application
… optoelectronic applications due to their high optical transmission and good electrical conductivity. Because of the rapid advancement of optoelectronic devices, new ITO design and structures are required to improve their performance for use in advanced applications. In this work, multilayer …
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Parallel FDTD Electromagnetic Simulation of Dispersive Plasmonic Nanostructures and Opal Photonic Crystals in the Optical Frequency Range
… we focus here on nanotechnologies for the optical frequency range, such as plasmonic devices and photonic crystals, which are used in many areas of engineering. Plasmonic noble metal nanoparticles are used in order to improve the photovoltaic solar cell efficiency for their forward …
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Improving hydrophilicity of silicone elastomer by IPN formation with hyaluronan
… and blood clotting. Additionally, overall optical transmittance of the treated materials was significantly decreased. Further refinement of the treatment methods may yield more favorable results in the areas of thrombogenicity and platelet adhesion.
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Study of Linear and Nonlinear Optical Interactions of Micro/Nanoparticles Embedded in an Organosiloxane Matrix
… to drastic changes with respect to the incident optical field intensity. Such variations can lead to significant changes in optical and thermal properties of nanomaterials. Recent research into the interactions between light and matter has mainly focused on understanding electronic, photonic, and …
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Investigation of advanced experimental and computational techniques for behavioural characterisation of phase change materials (pcms)
… these materials can be neglected. Finally, pilot optical transmittance studies in a wide wavelength range (from 280 to 700 nm) at different temperatures were carried out and showed that the phase change temperature is one of the most determinative factors of material’s applicability in PCM …
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Growth of V2O5 films for electrochromic and battery applications
… windows which would be of low cost, acceptable optical characteristics, long-term durability and at the same time uniformly coated without pinholes or gaps. Vanadium pentoxide has also shown potential as a cathode material in electrochemical power sources such as lithium ion batteries, which …
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Design and Fabrication of Optomechanical Formalin Fixation Monitoring Systems Integrated with a Millifluidic Device
… The second aim was to evaluate the optical property of CNB by formalin fixation over time. This study was originated from the speculation of the prior study, where the visualization of CNB was greatly altered during formalin fixation. We performed a preliminary study of optical …
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Material deposition and laser annealing of metal oxide thin films for electronics fabricated at low temperature
… The electrical, structural, compositional, and optical properties of the fabricated samples were systematically investigated as a function of the fabrication (deposition and annealing) conditions. A range of thin film characterisation techniques was used including 4-point probe (4PP), Van der …